Digital SLR Camera Resources Essex Junction VT

Digital single lens reflex cameras are the camera of choice for the majority of professional photographers. They offer high quality, clear shots that can make any photographer impressed. Read through the following articles to learn more about Digital SLR Cameras and find local companies and providers who can help you find what you’re looking for.

D-SLR Facts

D-SLR Facts

10 things you should know about your digital SLR

By Rick Sammon

I’m sure you’ve heard the expression, “Camera’s don’t take pictures; people do.” Sure, that’s true, but you still need a camera to create a permanent record of your visual experiences. It’s also true that the more sophisticated the camera, the more creative control you can have over your photographs. However, all digital SLRs, from entry-level to high-end, share many features and functions. Some are obvious, and some happen behind the scenes.

Let’s take a look at some of the less frequently discussed features that can help you to get the most out of your digital SLR camera—as well as your creative experience.

1. Camera Care

Your digital camera is a precision piece of equipment, and it should be handled with tender, loving care. To ensure years of use (even though an updated model will probably be introduced every 18 months), here are some things to remember.

Never leave your camera around anything with a strong magnetic field, such as a television set, a loudspeaker at a rock concert or an electrical motor. Keeping clear of antennas that emit strong radio signals is a good idea, too. Strong magnetic fields and radio signals can damage image data.

High heat and severe cold can cause a camera malfunction. At very low temperatures, the LCD panels might not work, and you can run out of battery power quickly.

2. Be Sensitive To Your Image Sensor When you clean the sensor, you’re not really cleaning the sensor, but rather the low-pass filter that covers it. When you clean this filter, use only products designed specifically for photo-sensor cleaning, and follow the instructions very carefully.

When I’ve shot in dusty conditions, such as when I was photographing the sand dunes in Namibia, I cleaned my sensor every night. Better safe than sorry is my motto.

3. A Shutter’s “Mileage” Would you buy a used car without knowing the mileage? Of course not. When it comes to buying a used camera, it’s also important to know its “mileage,” that is, the approximate number of shutter activations it has been through. And if you’re buying a new camera and plan to take a ton of pictures, it’s important to know its estimated mileage, too.

For example, the Canon EOS 40D has an estimated 100,000 shutter activations. That may sound like more /images than you’ll ever take, but a sports photographer could take that many pictures in a year—or sooner. Higher-end digital SLR cameras have more durable shutters. The shutter in my Canon EOS-1D Mark III, which I used to photograph this series of whale tail photographs in Antarctica, has a life expectancy of about 300,000 activations.

Before you head out on the road with a new or used camera, check its mileage. Some cameras offer counters. For tho...

Sweet Spot D-SLRs

Sweet Spot D-SLRs

Between the pro and entry-level models lies a paradise of high-performance features, ease of use and excellent value

By Mike Stensvold

"Sweet-spot" D-SLRs are those between the entry-level models and the often much pricier, larger and heavier pro models. They're in the sweet spot because, though they're much closer to the entry-level models in price, they share a lot of features with pro models. That makes them great choices for many photographers, including pros on a budget and enthusiasts alike.

While most entry-level D-SLRs offer 10 megapixels these days, the models we look at here generally produce better image quality through use of higher-end image processors and A/D converters and better AF systems. Sweet-spot models typically offer faster shooting rates and usually are the first consumer models to get new technologies and features developed for pro D-SLRs. These cameras offer a terrific value, dollar for dollar, balancing price and performance.

Canon EOS 40D A major upgrade of Canon's popular EOS 30D, the new 10.1-megapixel EOS 40D provides 23-percent more pixels, 14-bit A/D conversion, a DIGIC III image processor, and improved long-exposure and high-ISO noise reduction. It features a 3.0-inch LCD monitor with Live View capability, Canon's EOS Integrated Cleaning System to do away with sensor dust, 6.5 fps shooting and lots more-all for $100 less than the 30D when it was introduced.

Canon's most affordable model with a Live View LCD, the 40D actually betters the Live View capabilities of the professional EOS Mark III-series cameras (which are restricted to only manual focus in Live View mode), allowing you to focus manually or use the AF system. The Live View mode also features silent shooting, exposure-simulation and grid-line modes. Even more impressive, with the optional WFT-E3A wireless file transmitter, you can remotely control your camera from a nearby computer and view the Live View image on your computer monitor.

Autofocusing performance is excellent. All nine AF points are now cross-types with lenses of ƒ/5.6 or faster, while a unique diagonally oriented central sensor features enhanced precision at ƒ/2.8 or faster—actually better than Canon's pro cameras. Focusing calculation speed is 1.3x faster than with the 30D, and autofocusing is more accurate and more stable. AF operating range remains EV -0.5 to EV 18 (ISO 100).

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